Beginning with version 10, the project is fully relying on donations from users to finance its ongoing expenses in software development and support. Binary-comparison also processes all files in parallel.īefore version 10, FreeFileSync had shown a single advertisement during installation to help fund the project. Folder comparison will issue multiple requests at a time even when traversing only a single folder, by dynamically managing the workload while recursively reading the folder tree. The new parallel file operations architecture is not limited to the synchronization step, but used throughout the application. The idle time after issuing each file I/O request while waiting for the network response is not the limiting factor anymore: The number of parallel operations can be set as high as needed until the bandwidth is saturated and the network card is operating at full speed.

This new design offers huge performance improvements for all scenarios that are dominated by latency, like synchronization against network shares or cloud devices including SFTP and FTP(S).

During synchronization FreeFileSync will then spawn several tasks accordingly instead of processing only one file after another. It is now possible to specify the number of parallel file operations for each device inside the settings. FreeFileSync version 10 has added support for copying

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